31079824

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:439

約数の個数: 40

約数和(自身を含む): 61871040

約数和(自身を除く): 30791216

約数列:

[1, 2, 4, 8, 16, 71, 109, 142, 218, 251, 284, 436, 502, 568, 872, 1004, 1136, 1744, 2008, 4016, 7739, 15478, 17821, 27359, 30956, 35642, 54718, 61912, 71284, 109436, 123824, 142568, 218872, 285136, 437744, 1942489, 3884978, 7769956, 15539912, 31079824]

約数ペア:

[(1, 31079824), (2, 15539912), (4, 7769956), (8, 3884978), (16, 1942489), (71, 437744), (109, 285136), (142, 218872), (218, 142568), (251, 123824), (284, 109436), (436, 71284), (502, 61912), (568, 54718), (872, 35642), (1004, 30956), (1136, 27359), (1744, 17821), (2008, 15478), (4016, 7739)]